Eagle Standard Forged 4340 Chromoly Steel

Eagle forged 4340 steel cranks are designed for demanding applications. They feature a non-twist forging, .125" fillet radiuses for superior strength (requiring chamfered/narrowed bearings), a nitrided surface, and are micropolished to 2 ra. These crankshafts include center counterweights and an 8-bolt rear flange. They require balancing to match specific rods and pistons. Eagle Specialty Products emphasizes quality, using state-of-the-art equipment and skilled craftsmen to produce parts that are thoroughly inspected and quality controlled. They offer premium forged 4340 crankshafts and H-Beam rods for performance, and cast steel cranks and I-Beam rods for weekend racing.